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Asscher|Lab Grown|IGI

1.78ct E FL Asscher Lab Grown Diamond

ID • E/FL • IGI LG840634914

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634914

Diamond specifications and retailer prices

From $1,020 NZD
£452 GBP
As of November 1, 2026
Save $5,989 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,008 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.78ct lab-grown asscher diamond

This 1.78ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634914 or 840634914. Listed at 16 retailers as of October 31, 2026, with prices from $1,020 to $7,008, a $5,989 spread on the same certified stone. Brilliant Earth lists it at $7,008. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634914
Dimensions6.77 × 6.66 × 4.39 mm
L/W Ratio1.02
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.77 mm6.66 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634914
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,008 NZD|Low: $1,020 NZD|High: $9,102 NZD|Avg: $3,326 NZD|-23.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 2$1,020 NZD
Retailer 5$1,166 NZD
Retailer 14$1,242 NZD
Retailer 16$1,553 NZD
Retailer 9$1,638 NZD
Retailer 13$1,702 NZD
Retailer 11$2,049 NZD
Retailer 10$2,397 NZD
Retailer 3$2,516 NZD
Retailer 4$3,240 NZD
Retailer 15$3,447 NZD
Retailer 12$3,657 NZD
Retailer 6$4,241 NZD
Retailer 7$5,939 NZD
Retailer 8$6,964 NZD
Brilliant Earth$7,008 NZD

16 data points across 16 retailers

16 retailers$1,020 NZD to $7,008 NZD

A
Cheapest Retailer
-
$1,020 NZD
£452 GBP
A
Retailer 2
-
$1,166 NZD
$657 USD
View
Final sale: no returns
A
Retailer 3
-
$1,242 NZD
$700 USD
View
A
Retailer 4
-
$1,553 NZD
$875 USD
View
A
Retailer 5
-
$1,638 NZD
£727 GBP
View
A
Retailer 6
-
$1,702 NZD
ZAR 15,494 ZAR
View
A
Retailer 7
-
$2,049 NZD
€1,100 EUR
View
B+
Retailer 8
-
$2,397 NZD
$1,351 USD
View
B+
Retailer 9
-
$2,516 NZD
$1,418 USD
View
B+
Retailer 10
-
$3,240 NZD
$1,826 USD
View
B+
Retailer 11
-
$3,447 NZD
$1,943 USD
View
B+
Retailer 12
-
$3,657 NZD
£1,623 GBP
View
B
Retailer 13
-
$4,241 NZD
SGD 3,230 SGD
View
B
Retailer 14
-
$5,939 NZD
$3,347 USD
View
Retailer 15
-
$6,964 NZD
$3,925 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21861713A · Oct 31
$7,008 NZD
$3,950 USD
View
15 more retailers have this diamond
Prices start from $1,020 NZDSave up to $5,989 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.78ct Asscher
$1,020 NZD